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[VI-471] Transition of Lining Deterioration in Individual Tunnels in Hokkaido

*Takumi Kawamura¹, Atsushi Sutoh², Takashi Sato³, Hiroaki Kanekiyo⁴, Hirosige Dan⁴, Osamu Maruyama⁵ (1. IWATA CHIZAKI INC., 2. TOHOKU INSTITUTE OF TECHNOLOGY, 3. Civil Engineer Research Institute for Cold Region, 4. KANSAI UNIVERSITY, 5. TOKYO CITY UNIVERSITY)

Keywords:

tunnel lining,Deterioration Evaluation,timbering support method,New Austrian Tunnelling Method

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